Bulb Smoke Seal, Overall Length 300 ft, Overall Width 3/8 in, Overall Height 1/4 in, Color Black, Flange Width 3/8 in, For Use With Doors, Includes (1) 300 ft Roll, Insert Color Brown, Insert Material Silicone, Insert Size 3/8 in, Material Silicone, Projection 1/4 in, Sold As Roll, Standards ANSI/BHMA A156.22, ANSI/UL10B, ANSI/UL10C (Category H), ANSI/UL1784, CAN/ULC-S104, Stays Flexible to -100 Degrees F, Product Type Bulb Smoke Seal